(FILES) National Security Advisor John R. Bolton listens while US President Donald Trump speaks to the press before a meeting with Hungary's Prime Minister Viktor Orban in the Oval Office of the White House on May 13, 2019, in Washington, DC. Bolton, who served as Donald Trump's national security advisor before becoming an outspoken critic of the US president, plans to plead guilty to one count of retaining classified documents, US media reported on June 4, 2026. he 77-year-old veteran diplomat is expected to enter the guilty plea at a hearing in federal district court in Maryland on June 26, CNN and other outlets said. (Photo by Brendan Smialowski / AFP via Getty Images)